Falling-film heat exchanger

Details Falling-film heat exchanger Falling-film heat exchanger

1977-05-17

1978-08-15

Myhre, Charles J.

Heat exchange

Casing or tank enclosed conduit assembly

With distinct flow director in casing

62 52, 165110, 165115, 165174, F28B 900, F28D 700, F28F 902, F17C 702

Patent

active

041065603

ABSTRACT:
A primary fluid is circulated within vertical flexible tubes enclosed within a fluid-tight shell and a secondary fluid flows over the external tube walls. A secondary fluid admission chamber is formed in the top portion of the shell by a horizontal tube plate traversed by primary fluid distribution means. The upper end of each tube is fixed on a unit of revolution having a passage for the primary fluid and constituted by a sliding ring and two components. The first component has a frusto-conical external surface which cooperates with the internal wall of the ring. The second component has a cylindrical external surface provided with grooves which define passages for the downflow of secondary fluid with the internal wall of a tube-plate hole.

REFERENCES:
patent: 3387836 (1968-06-01), Stookey
patent: 3898163 (1975-08-01), Mott
patent: 3913667 (1975-10-01), Meylan et al.

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